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Tris(pentafluorophenyl)borane, sometimes referred to as "BCF", is the chemical compound (C 6 F 5) 3 B.It is a white, volatile solid. The molecule consists of three pentafluorophenyl groups attached in a "paddle-wheel" manner to a central boron atom; the BC 3 core is planar.
Low-density parity-check (LDPC) codes are a class of highly efficient linear block codes made from many single parity check (SPC) codes. They can provide performance very close to the channel capacity (the theoretical maximum) using an iterated soft-decision decoding approach, at linear time complexity in terms of their block length.
If a note with a double sharp or double flat is followed by a note in the same position with a single sharp or single flat, there are two common notations. Modern notation simply uses a single flat or sharp sign on the second note, whereas older notation may use a natural sign (to cancel the double accidental) combined with the single ...
Starting with no sharps or flats (C major), adding the first sharp (F ♯) indicates G major, adding the next (C ♯) indicates D major, and so on through the circle of fifths. Some keys (such as C ♯ major with seven sharps) may be written as an enharmonically equivalent key (D ♭ major with five flats in this case).
Trump's effort to fire Weintraub drew a sharp a rebuke from former Republican FEC commissioner Trevor Potter, who was appointed by President George H.W. Bush and served in the 1990s. He said the ...
U.S. President Donald Trump reacts next to Pam Bondi, on the day of her swearing in ceremony as U.S. Attorney General, at the White House in Washington, U.S., February 5, 2025.
Similarly, a simple ♭ or ♯ without a natural sign can be used to indicate that a double flat or double sharp has been changed to a single flat or sharp, but older notation may use ♮♭, ♭♮, ♮♯, or ♯♮ instead. When changing a flat to a sharp or vice-versa, the combined symbols ♮♯ or ♮♭ can be used. [6]
FULL-TIME! Ireland 27-22 England. 18:45, Luke Baker. All over in Dublin. A tense first half saw England lead by five points at the break but Ireland blew them away in the second 40 and secure a ...